CN106698226B - Centralized control system and control method for down-hole auxiliary transportation inclined roadway dotting signals - Google Patents
Centralized control system and control method for down-hole auxiliary transportation inclined roadway dotting signals Download PDFInfo
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- CN106698226B CN106698226B CN201611112768.3A CN201611112768A CN106698226B CN 106698226 B CN106698226 B CN 106698226B CN 201611112768 A CN201611112768 A CN 201611112768A CN 106698226 B CN106698226 B CN 106698226B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
- B66D1/40—Control devices
- B66D1/42—Control devices non-automatic
- B66D1/46—Control devices non-automatic electric
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/54—Safety gear
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Abstract
The invention relates to a centralized control system and a centralized control method for down-hole auxiliary transportation inclined roadway dotting signals. The system comprises an upper opening dotting device, a lower opening dotting device, a driver dotting device and a signal conversion board for receiving dotting signals, wherein the signal conversion board converts the received dotting signals and then sends the processed dotting signals to a controller, and the output end of the controller is electrically connected with each relay group on a relay board; a function change-over switch is arranged on the relay board; the system is also provided with a power supply module. The invention sets direct and clear electrical connection between the dotting signal and the winch control, solves the working behavior that the dotting signal and the winch starting completely depend on self restraint of personnel, avoids the current situation that the dotting signal and the winch control system are disconnected from each other, the running direction of the winch cannot be locked by the dotting signal convention, and the running direction of the winch and the dotting signal convention direction completely depend on subjective judgment of the personnel, and effectively prevents safety accidents caused by subjective or objective errors of the personnel.
Description
Technical Field
The invention belongs to the technical field of underground auxiliary transportation inclined roadway material transportation of a coal mine, and particularly relates to a centralized control system and a centralized control method for underground auxiliary transportation inclined roadway point-hitting signals.
Background
The transportation system of the coal mine is mainly divided into a ground transportation system and an underground transportation system, and the underground transportation system is divided into a main lifting system and an underground auxiliary transportation system of a wellhead. The most frequent electromechanical accidents in the transportation systems are inclined roadway material transportation in underground auxiliary transportation. For a mine, underground inclined roadways are gradually increased along with the exploitation of miners, and the number of underground inclined roadways is not limited. For each inclined lane, how to transport the materials up and out through the inclined lane is an objective problem which cannot be avoided.
At present, in domestic underground auxiliary transportation inclined drift material transportation, an inclined drift upper opening is generally adopted to be provided with a winch, namely, as shown in fig. 1, the winch A is arranged on one side of the inclined drift upper opening and is relatively far away from the inclined drift upper opening, the winch A is connected with a skip B arranged in the inclined drift, an upper opening dotting device 10 is arranged at the inclined drift upper opening, a lower opening dotting device 20 is arranged at the inclined drift lower opening, and a driver dotting device 30 is arranged at the winch A. The material is transported by pulling the skip car B up and down by the winch A. However, the inclined drift is narrow in space, frequent in and out of people and noisy in sound, so that the inclined drift transportation is usually realized by adopting a mode of driving without pedestrians and not driving with pedestrians. However, even then, there are still some problems: in actual work, the winch A is far away from an upper opening for lowering a skip car B or a lower opening for lifting materials, and when the winch is started or stopped, a winch driver cannot see the winch driver, so that the winch is usually started and stopped by people at the upper opening and the lower opening of an inclined roadway by sending appointed sound signals. The method comprises the following steps: stopping dotting by one sound, lifting dotting by two sounds and lowering dotting by three sounds. The signal is simple and clear, the defect that the underground voice call connection is possibly unclear in expression or wrong in understanding is overcome, the advantage is achieved, and the feasibility of the underground voice call connection is proved by long-term production practice. However, even in this case, the existing material transportation method still has many disadvantages, such as: the method has the advantages that problems possibly occurring subjectively by personnel such as no-point starting, incorrect starting at a point, mutual confirmation starting at the point, or opposite signal appointment direction and winch running direction occur in work, and occasional operation errors can cause serious safety accidents. Therefore, the method has the advantages of drawing original signals for a large number of underground auxiliary transportation inclined roadways, does not need to be invested with cost as large as that of main well lifting signals, can solve the locking relation between the dotting signals and the running direction of the winch, is a practical problem to be solved urgently in the operation of the large number of auxiliary transportation inclined roadways, and has wide market application prospect.
Disclosure of Invention
In order to solve the technical problems, the invention provides a centralized control system for a down-hole auxiliary transportation inclined roadway dotting signal, which solves the technical problems of mutual disjunction, fuzzy signal engagement and disordered winch control of a dotting signal and a winch control system by arranging direct and definite electrical connection between the dotting signal and the winch control.
In order to realize the purpose of the invention, the invention adopts the following technical scheme:
the utility model provides a signal centralized control system is got ready to supplementary transportation inclined drifts in pit, gets ready the device and gets ready the device with the driver including setting up the last mouthful of getting ready the device on the inclined drifts to and set up the device is got ready to the end opening of getting ready the device under the inclined drifts, this system still includes following component part:
the signal conversion board is used for receiving dotting signals from the upper port dotting device, the lower port dotting device and the driver dotting device, converting the received dotting signals and then sending the converted dotting signals to the controller;
the input end of the controller is used for receiving the processed dotting signal, and the output end of the controller is electrically connected with each relay group on the relay board;
the relay board comprises relay groups which are respectively and electrically connected with the winch explosion-proof switch, the winch explosion-proof triple button and the explosion-proof acousto-optic warning device, and also comprises a function change-over switch which is used for switching the relay board between a maintenance state and a working state;
and the power supply module is used for supplying power to each relay group, the function change-over switch and the explosion-proof acousto-optic warning device in the controller and the relay board.
Preferably, the input ends of the signal conversion board are respectively provided with the following connecting terminals:
an upper opening dotting signal wiring terminal and an upper opening sudden stop wiring terminal which are connected with the upper opening dotting device;
a lower opening dotting signal wiring terminal and a lower opening sudden stop wiring terminal which are connected with the lower opening dotting device;
a winch point signal wiring terminal and a winch emergency stop wiring terminal which are connected with the driver point device;
the winch operation signal wiring terminal is connected with the state feedback wire on the relay board, and the working state wiring terminal is connected with the function change-over switch on the relay board.
Preferably, the output end of the controller connected with the relay board is provided with a winch descending connection terminal, a winch ascending connection terminal, a winch stopping connection terminal, an audible and visual alarm connection terminal, a driver signal confirmation prompt connection terminal and a driver dotting locking connection terminal.
Preferably, the controller is Siemens S7-200.
Preferably, a QO.0 output pin of the winch lifting connection terminal, namely Siemens S7-200, is connected with a coil of a relay J1 on a relay board, and a normally open contact of the relay J1 is connected with a winch positive rotation connection wire with a winch explosion-proof switch and a winch explosion-proof triple button;
the QO.1 output pin of the winch downward-releasing wiring terminal, namely Siemens S7-200, is connected with the coil of a relay J2 on a relay board, and a normally open contact of the relay J2 is connected with a winch reverse-rotation wiring with a winch explosion-proof switch and a winch explosion-proof triple button;
the winch stopping connection terminal, namely a QO.2 output pin of Siemens S7-200, is connected with a coil of a relay J3 on a relay board, and a normally open contact of the relay J3 is connected with a winch stopping connection wire with a winch explosion-proof switch and a winch explosion-proof triple button;
the sound-light alarm connecting terminal, namely a QO.3 output pin of Siemens S7-200, is connected with a coil of a relay J4 on a relay board, and a normally open contact of the relay J4 is connected with an alternating current contactor ZJ coil for driving the explosion-proof sound-light alarm to act;
the driver signal confirmation prompt terminal, namely a QO.4 output pin of Siemens S7-200, is connected with the light-emitting diode;
the driver dotting locking terminal, namely a QO.5 output pin of Siemens S7-200, is connected with a coil of a relay J5 on a relay board, a normally open contact of the relay J5 is connected with a driver dotting device, and a driver dotting signal connecting button is connected in series on a circuit connecting the normally open contact of the relay J5 with the driver dotting device.
Preferably, the function transfer switch comprises a pair of switch pins 1 and 2 matched with each other and another pair of switch pins 3 and 4 matched with each other, the switch pins 1 and 2 are connected with a coil of a relay J6 on a relay board, and two normally open contacts of the relay J6 are respectively connected in parallel in a line where the normally open contact of the relay J1 and the normally open contact of the relay J2 are located.
The invention also provides a control method of the underground auxiliary transportation inclined roadway dotting signal centralized control system, which adopts the technical scheme as follows:
1) when the function transfer switch is in a working state, namely an automatic state, the function transfer switch sends a starting signal of the dotting signal automatic discrimination function to the controller; when the input end of the controller receives a dotting signal, an emergency stop signal or a reset signal sent by an upper port dotting device, a lower port dotting device or a driver dotting device, the signals are immediately discriminated through an internal program of the controller:
when the controller receives an upper opening dotting signal sent by the upper opening dotting device and a lower opening dotting signal sent by the lower opening dotting device in sequence within set time, the controller judges that a winch is received to put down a task, and at the moment, the controller sends out a prompting lamp signal which can be confirmed by a winch driver in a point returning mode on one hand and releases the locking function of the driver dotting signal device on the other hand; after the winch driver receives the signal of the warning light, the driver dotting device can be operated to send out a driver dotting signal, and the final confirmation of the winch lowering task is completed; after sequentially receiving dotting signals sent by an upper opening dotting device, a lower opening dotting device and a driver dotting device within set time, a controller sends a winch lowering signal to a relay board, and simultaneously sends an audible and visual alarm signal to the relay board;
when the controller receives a lower opening dotting signal sent by the lower opening dotting device and an upper opening dotting signal sent by the upper opening dotting device in sequence within set time, the controller judges that a winch lifting task is received, and at the moment, the controller sends a prompting lamp signal for confirming that a winch driver can return points on one hand and releases the locking function of the driver dotting signal device on the other hand; after the winch driver receives the signal of the warning light, the driver dotting device can be operated to send out a driver dotting signal, and the final confirmation of the winch lifting task is completed; after sequentially receiving dotting signals sent by a lower opening dotting device, an upper opening dotting device and a driver dotting device within set time, a controller sends a winch lifting signal to a relay board, and simultaneously sends an audible and visual alarm signal to the relay board;
when the winch runs to a destination according to an appointed direction, a dotting device at the destination sends a dotting signal to a controller, a winch driver receives the dotting signal and then stops the vehicle by pressing a stop button of an explosion-proof triple button, and then sends the dotting signal to the controller through the driver dotting device to confirm the vehicle stopping, or directly sends the dotting signal to the controller through the driver dotting device to confirm the vehicle stopping, at the moment, the running task of the winch is finished, and an acousto-optic alarm signal is removed;
in the dotting process, if any dotting device does not send out a dotting signal according to a set mode or within set time, or any dotting device sends out an emergency stop signal in the dotting process and the winch starting process, the PLC immediately locks the work of the corresponding output relay group, releases the authorization of the winch starting, and immediately stops the operation of the winch; when the controller receives the reset signal again, the locking is released, and the winch continues to operate;
2) when the function transfer switch is in the maintenance state, the controller sends an audible and visual alarm signal to the relay board, the controller simultaneously relieves the locking function of the dotting signal device, the winch explosion-proof switch and the winch explosion-proof triple button for a driver, and the winch driver can send a winch lifting signal or a winch lowering signal according to actual conditions so as to start the winch to perform maintenance debugging or emergency work.
Preferably, when the function switch is in a working state, i.e., an automatic state, and the controller sends a winch lowering signal or a winch lifting signal to the relay board, the controller simultaneously locks the signal of the winch in the opposite running direction through the relay board.
Preferably, when the function transfer switch is in a working state, namely an automatic state, the controller sends out a prompt lamp signal which can be confirmed by a winch driver by returning to a point and is a slow flashing light signal; when a winch driver receives a slow flashing indicator light signal, the driver dotting device can be operated to send out a driver dotting signal, and the controller controls the indicator light signal to be converted into a normally-on signal at the moment, namely all dotting signals before the winch is dispatched are screened to be effective; when the winch is in operation and the controller receives the emergency stop signal, the controller cancels all winch operation signals and controls the prompt lamp signal to be converted into a high-frequency flashing light signal.
The invention has the beneficial effects that:
1) the invention sets direct and clear electrical connection between the dotting signal and the winch control, solves the working behavior that the dotting signal and the winch starting completely depend on the self restraint of personnel, eliminates the current situation that the dotting signal and the winch control system are disconnected with each other, the running direction of the winch cannot be locked by the dotting signal convention, and the running direction of the winch and the dotting signal convention direction completely depend on the subjective judgment of personnel, thoroughly avoids the problems that the starting is not dotted, the starting is not dotted incorrectly, the starting is not mutually confirmed by the dotting signal convention, the running direction of the winch is opposite to the dotting signal convention and the like which can happen subjectively by the personnel, and effectively prevents the safety accidents caused by the subjective or objective errors of the personnel.
2) According to the invention, the PLC is adopted to automatically discriminate the dotting signals, so that the advantage of centralized control of the PLC is fully exerted, authorization of the PLC can be obtained only by discriminating the dotting signals after passing, and a winch driver with authority can drive the winch to transport materials in a corresponding direction after confirming the dotting again. The invention actively applies the automatic centralized control technology, sets the corresponding rule of the dotting signal and the winch operation, reduces the working errors to the maximum extent and improves the reliability of the working safety.
3) The invention fully integrates the prior underground auxiliary transportation inclined roadway dotting equipment, voice warning equipment, winch control switches and the like, does not repeat the functions, and only serves as a central control system to reduce the cost. The invention avoids the disadvantages of large-scale cost investment like a main well lifting signal system and difficult popularization and use in the underground, and strives to obtain the maximum economic benefit and safety benefit with the least cost. The design of the invention also effectively increases the transportability of the system, so that the functions of discriminating, controlling, authorizing and locking the signal convention can be widely applied to other occasions which are also suitable for the signal convention to start the machine to work in mines, the actual use value and range of the system are improved, the secondary research and development cost investment of similar requirements is reduced, the intrinsic added value of the system is increased, and the existing economic value of the system is improved.
Drawings
Fig. 1 is a schematic structural diagram of a conventional material handling system.
Fig. 2 is a schematic diagram of a control structure of the present invention.
Fig. 3 is a schematic circuit structure of the present invention.
The designations in the figures have the following meanings:
a-winch B-skip car
10-upper opening dotting device 20-lower opening dotting device 30-driver dotting device
40-signal conversion board 50-controller 60-relay board 61-function conversion switch
70-power module 71-winch explosion-proof switch 72-winch explosion-proof triple button
73-explosion-proof acousto-optic warning device
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the centralized control system for the down-hole auxiliary transportation inclined roadway dotting signals comprises an upper port dotting device 10 and a driver dotting device 30 which are arranged at the upper port of the inclined roadway, and a lower port dotting device 20 which is arranged at the lower port of the inclined roadway, wherein a winch a is arranged at the driver dotting device 30, and the driver dotting device 30 is far away from the upper port of the inclined roadway relative to the upper port dotting device 10.
The system also comprises the following components:
the signal conversion board 40 is used for receiving dotting signals from the upper port dotting device 10, the lower port dotting device 20 and the driver dotting device 30, performing format conversion processing on the received dotting signals (converting analog quantity signals into digital quantity signals) and then sending the processed dotting signals to corresponding input ends of the controller 50;
a controller 50, the input end of which is used for receiving the processed dotting signal, and the output end of which is electrically connected with each relay group on the relay board 60;
the relay board 60 comprises relay groups respectively and electrically connected with a winch explosion-proof switch 71, a winch explosion-proof triple button 72 and an explosion-proof acousto-optic warning device 73, and further comprises a function conversion switch 61 for switching the relay board 60 in an overhauling state and a working state;
and the power supply module 70 is used for supplying power to each relay group in the controller 50 and the relay board 60, the function change-over switch 61 and the explosion-proof acousto-optic warning device 73.
As shown in fig. 1, the input terminals of the signal conversion board 40 are respectively provided with the following connection terminals: an upper opening dotting signal wiring terminal and an upper opening sudden stop wiring terminal which are connected with the upper opening dotting device 10; a lower mouth dotting signal wiring terminal and a lower mouth emergency stop wiring terminal which are connected with the lower mouth dotting device 20; a winch dotting signal wiring terminal and a winch scram wiring terminal which are connected with the driver dotting device 30; a winch operation signal connection terminal connected with a state feedback wire on the relay board 60, and an operating state connection terminal connected with a function changeover switch 61 on the relay board 60.
As shown in FIG. 2, the controller 50 is Siemens S7-200, CPU222 CN.
As shown in fig. 2, the input ends of the siemens S7-200 are respectively provided with six input pins, which are respectively: 1) IO.0 input pin connected with upper opening dotting signal, 2) IO.1 input pin connected with lower opening dotting signal, 3) IO.2 input pin connected with winch position dotting signal, 4) IO.3 input pin connected with upper opening scram signal, lower opening scram signal and winch position scram signal, 5) IO.4 input pin connected with winch positive rotation signal and winch reverse rotation signal, 6) IO.5 input pin connected with working state signal.
As shown in fig. 2, the output ends of the siemens S7-200 are respectively provided with six output pins, which are respectively: 1) a QO.0 output pin which is connected with a coil of a relay J1 and outputs a winch forward rotation signal, wherein a normally open contact of the relay J1 is connected with a winch forward rotation connection wire (a 1# wire) which is connected with a winch explosion-proof switch 71 and a winch explosion-proof triple button 72 in series; 2) a QO.1 output pin which is connected with a coil of a relay J2 and outputs a winch reverse rotation signal, wherein a normally open contact of the relay J2 is connected with a winch reverse rotation wiring, namely a 3# wire, which is connected with a winch explosion-proof switch 71 and a winch explosion-proof triple button 72 in series; 3) a QO.2 output pin which is connected with a coil of a relay J3 and outputs a winch stopping signal, wherein a normally open contact of the relay J3 is connected with a winch stopping wiring, namely a 9# wire, which is connected with a winch explosion-proof switch 71 and a winch explosion-proof triple button 72 in series; 4) a QO.3 output pin which is connected with a coil of the relay J4 and outputs an acousto-optic alarm signal, wherein a normally open contact of the relay J4 is connected with an alternating current contactor ZJ coil which drives the anti-explosion acousto-optic alarm 73 to act; 5) a QO.4 output pin connected with the light emitting diode and used for outputting a prompt lamp signal; 6) a QO.5 output pin which is connected with a coil of the relay J5 and outputs a driver dotting unlocking signal, and a confirmation button is connected in series on a circuit which is connected with a normally open contact of the relay J5 and the driver dotting device 30.
As shown in fig. 2, the function transfer switch 61 includes a pair of switch pins 1 and 2 and another pair of switch pins 3 and 4, the switch pins 1 and 2 are connected to the coil of the relay J6 on the relay board 60, and the two normally open contacts of the relay J6 are connected in parallel to the 1# line in which the normally open contact of the relay J1 is located and the 3# line in which the normally open contact of the relay J2 is located.
As shown in fig. 2, an externally accessed 127V working power supply is overcurrent protected by an air switch as a power supply (earth leakage protection is provided by a downhole 127V power supply device). On the output side of the air switch, one path of 127V power supply is connected with the power supply module 70, and the other path of power supply is provided for the explosion-proof acousto-optic warning device 73 through the normally open contact of the alternating current contactor ZJ. The power module 70 outputs DC24V and DC12V low voltage power. The DC24V is used as a working and control power supply of a midgate S7-200 and an output relay group of the midgate in the explosion-proof cavity, and the DC12V is used as a working power supply of a relay J6 controlled by the function change-over switch 61 in the intrinsic safety wiring cavity.
The present invention is described in further detail below with reference to specific working procedures.
1) When the function switch 61 is in a working state, i.e. an automatic state, the switch pin 1 and the switch pin 2 of the function switch 61 are switched off, the switch pin 3 and the switch pin 4 are switched on, and the function switch 61 sends a starting signal of a dotting signal automatic discrimination function to siemens S7-200; when the input end of the Siemens S7-200 receives a dotting signal, an emergency stop signal or a reset signal sent by the upper port dotting device 10, the lower port dotting device 20 or the driver dotting device 30, the signals are immediately screened through the built-in programs of the Siemens S7-200:
when an input pin IO.0 of Siemens S7-200 receives upper opening dotting information sent by an upper opening dotting device 10 and an input pin IO.1 of Siemens S7-200 receives a lower opening dotting signal sent by a lower opening dotting device 20 within a set time (for example, 10 seconds), Siemens S7-200 judges that a winch is received for lowering a task, and then Siemens S7-200 sends a prompt lamp signal which can confirm the return point of a winch driver to a light-emitting diode through a QO.4 output pin, wherein the prompt lamp signal is a blue slow-flashing light signal, and on the other hand, the locking function of a driver dotting signal device 30 is released through a QO.5 output pin; after the winch driver receives the slow flashing warning light signal, the driver dotting device 30 can be operated, and the driver dotting signal is sent to the Siemens S7-200 through an IO.2 input pin, the final confirmation of the winch descending task is completed, and at the moment, the warning light signal is converted into a normally-on signal to show that all the dotting signals are screened to be effective; after sequentially receiving dotting signals sent by the upper opening dotting device 10, the lower opening dotting device 20 and the driver dotting device 30 within a set time, Siemens S7-200 send winch lowering signals to the relay board 60 through a QO.1 output pin, a relay J2 and a relay J3 on the relay board 60 are immediately connected with a 3# line and a 9# line which are prepared for working of an external winch, Siemens S7-200 send acousto-optic alarm signals to the relay board 60 through a QO.3 output pin at the same time, a relay J4 is connected and drives an alternating current contactor ZJ coil, so that a normally open contact of the alternating current contactor ZJ is closed and a 127V power supply of an external explosion-proof acousto-optic alarm 73 is connected, and voice and flashing lamp working alarms are sent out; at this time, the relay J1 is not actuated, and the normal rotation direction of the winch is in a locking state.
When an input pin IO.1 of Siemens S7-200 receives a lower opening dotting signal sent by a lower opening dotting device 20 first and an input pin IO.0 of Siemens S7-200 receives an upper opening dotting signal sent by an upper opening dotting device 20 within a set time, Siemens S7-200 judges that a winch lifting task is received, and then Siemens S7-200 sends a prompt lamp signal which can confirm the point return of a winch driver to a light-emitting diode through a QO.4 output pin on one hand, wherein the prompt lamp signal is a blue slow-flashing light signal, and on the other hand, the locking function of a driver dotting signal device 30 is released through a QO.5 output pin; after the winch driver receives the slow flashing warning light signal, the driver dotting device 30 can be operated, and the driver dotting signal is sent to the Siemens S7-200 through an IO.2 input pin, the final confirmation of the winch lifting task is completed, and at the moment, the warning light signal is converted into a normally-on signal to show that all the dotting signals are screened to be effective; after sequentially receiving dotting signals sent by a lower port dotting device 20, an upper port dotting device 10 and a driver dotting device 30 within a set time, Siemens S7-200 send winch lifting signals to a relay board 60 through a QO.0 output pin, a relay J1 and a relay J3 on the relay board 60 are immediately connected with a 1# line and a 9# line which are prepared for working of an external winch, Siemens S7-200 send acousto-optic alarm signals to the relay board 60 through a QO.3 output pin at the same time, a relay J4 is connected with and drives a ZJ coil of an alternating current contactor, so that a normally open contact of the alternating current contactor is closed and a 127V power supply of an external explosion-proof acousto-optic alarm 73 is connected, and voice and flashing lamp working alarms are sent; at this time, the relay J2 is not actuated, and the reverse running direction of the winch is in a locking state.
In the dotting process, if any dotting device does not send out a dotting signal according to a set mode or within a set time, or any dotting device sends out an emergency stop signal in the dotting process and the winch starting process, Siemens S7-200 immediately locks the work of a corresponding output relay group, the winch starting authorization is removed, the winch stops running immediately, and meanwhile, a prompt lamp signal is converted into a high-frequency flashing light signal to remind a winch driver of the occurrence of an emergency; when Siemens S7-200 receives the reset signal again, the lock is released, and the winch continues to operate;
2) when the function transfer switch 61 is in the maintenance state, the switch pin 1 and the switch pin 2 of the function transfer switch 61 are switched on, the switch pin 3 and the switch pin 4 are switched off, at the moment, the relay J3, the relay J4 and the relay J6 are switched on for operation, and the Siemens S7-200 obtains an operation signal without discriminating a hitting signal (the function is used when the winch is maintained for debugging or is in emergency operation). In the maintenance state, the relay J4 immediately switches on the audible and visual alarm device 73 to give out an alarm; the relay J3 and the relay J6 are connected with the 1# line, the 3# line and the 9# line of the winch switch, and a winch driver can send out a winch lifting signal or a winch lowering signal according to actual conditions so as to start the winch to carry out overhaul debugging or emergency work.
In summary, compared with the prior art, the system has the following basic functions:
signal discrimination function:
1. and (4) discriminating the signal source and determining the dotting priority.
And screening the sequence of the three-point signals by the wall-carrying component, and determining the lowering task of the winch.
⒊ the sequence of the three-point signals is screened to determine the winch lifting task.
⒋ screens a signal to determine if the winch is stopping properly.
⒌ screens the emergency stop signal to determine the task of emergency stop of the winch and the task of immediate release of the active signal.
⒍ selects reset signal, determines signal zero clearing, and resets standby task.
7. The service/automation status signal is screened to determine if the signal is engaged or isolated to determine if the winch control line is unlatched or engaged.
⒏ discriminating the working state signal of the winch breaker and determining the locking task of the winch control circuit after the periodic task is finished.
The locking function of the signal convention and the winch running direction is as follows:
1. before the starting of the operation task, the winch driver is prevented from firstly carrying out point operation on the winch driver on the premise that the other two points are not checked and the winch driver can work, and the point operation device is locked.
When three effective signals are beaten to the wall and the material is transferred to the winch, lift the shutting function of control scheme to the winch.
⒊ when three-point effective signals are sent to the winch to lift materials, the winch is put down to control the locking function of the circuit.
⒋ and a locking function of the winch control circuit after a signal of one point of validity is sent to stop normally.
⒌, the function of stopping and locking the winch control circuit is performed immediately after the emergency stop signal is obtained.
⒍ the locking function before the operation is performed to the winch control circuit after the signal input state signal is obtained.
And (III) locking the winch control circuit when the signal operates incorrectly.
1. When any one of the upper opening and the lower opening of the inclined drift and a winch driver is not dotted according to a specified point number in the dotting process and the number of the points is inconsistent with that of other two positions, unlocking the winch control circuit is immediately cancelled, and after 60 seconds, a signal is automatically reset or an emergency button is manually pressed for two times and immediately reset.
And (3) performing upper opening or lower opening of the wall-divided inclined roadway, after the point is finished according to the work task at any position, if the point is not confirmed to return within the specified time limit at the other position, immediately canceling unlocking on a winch control circuit, and after 60 seconds, automatically resetting a signal or manually pressing an emergency button twice to immediately reset and reset.
⒊ the upper and lower ports of the inclined drift are checked according to the specified requirement and checked back to the point, the winch driver does not check back to the point again in the specified time limit, the unlocking of the winch control circuit is cancelled immediately, after 60 seconds, the signal is automatically reset or the emergency button is manually pressed twice, and the reset is immediately carried out.
⒋ the upper and lower ports of the inclined drift and the driver of the winch are dragged and stepped at any position in the dotting process, the dotting is intentionally delayed, even if the supplementary dotting is correct afterwards, the dotting is not confirmed within the specified time limit, the unlocking of the control circuit of the winch is immediately cancelled, and after 60 seconds, the signal is automatically reset or the emergency button is manually pressed twice, and the reset is immediately carried out.
⒌ the upper opening and the lower opening of the inclined drift and the driver of the winch are delayed between two intentional dotting sounds in the dotting process, the interval time is long, and the other two parts cannot distinguish whether the dotting number is finished or correct, the unlocking of the control circuit of the winch is cancelled immediately, and after 60 seconds, the signal is automatically reset or the emergency button is manually pressed for two times to reset and reset immediately.
And fourthly, a simple and clear multi-state single indicator lamp function.
In order to enable a winch driver to know the state of the system more fully and to start the winch conveniently, a blue light-emitting diode is specially arranged for the winch driver to serve as a function indication. When the upper and lower port dotting signals are all screened to be effective, the light-emitting diode quickly and slowly flashes to remind a driver to return to the point to confirm the work task. When the driver of the winch returns to the correct point according to the appointed point, the light-emitting diode turns to be normally on, all signals are distinguished effectively at the moment, the winch switch control circuit obtains the authority of starting according to the appointed direction, the other direction is locked, the winch switch is in a to-be-operated state, the inclined roadway warning lamp and the voice warning are immediately put into use, and the warning for withdrawing people is sent out. If people at the upper and lower ports of the inclined roadway press the emergency stop button before or during the operation of the winch, the light-emitting diode is changed into high-frequency flashing from the former state immediately, the original effective signal of the winch is cancelled, the driver is reminded of the emergency, people press the emergency stop button, the winch stops immediately at the moment and stops receiving the signal for sealing, and the unlocking can be obtained only after any one of three places presses the emergency stop button again after the situation is relieved.
And (V) the simple and effective inclined roadway voice box is matched with the connection function.
In order to facilitate the use of an inclined roadway warning lamp and a voice warning box in inclined roadway driving, the device is particularly provided with an alternating current contactor with 127V power output, and convenience is brought to the use of the warning device. The effective combination of the two provides possibility for the signal device to automatically send out warning information according to the working requirement. When the signal discrimination is effective and before the winch is started, the warning lamp and the warning sound box are immediately put into use, and warning personnel immediately withdraw from the inclined roadway and enter the avoidance chamber; when the shipping task is finished and the signal is reset, the warning lamp and the warning voice stop warning immediately, the worker is told that the shipping is finished, and the worker can enter into inclined roadway operation. In addition, when the function change-over switch is manually switched to a signal isolation state, the locking of a signal to a winch control circuit is manually cancelled, and under the condition that the winch is opened at any time, the warning lamp and the warning sound box are also put into use immediately to give out a warning to inform workers that the state is dangerous, and the workers leave the operation area and enter the avoidance chamber as soon as possible.
And sixthly, an isolation function which is convenient for working when the signal control device is in fault.
In order to facilitate the adjustment of the discharging car at the upper opening of the inclined roadway by using the winch or the emergency use of the winch when the signal control device fails under the state of non-inclined roadway driving, and the driving debugging is performed when the winch control circuit is overhauled. The multifunctional switch is characterized in that a function change-over switch is additionally arranged, so that two states of signal input and signal isolation are separated. The signal isolation is that the signal discrimination is not carried out, the signal does not lock the winch control circuit, and a winch driver can start the winch to carry out maintenance and debugging according to the requirement. Therefore, the reliability of protection when the signal is input is ensured, and the flexibility of using the winch when the signal is isolated is increased. However, for the sake of safety, when the signal is in the isolation state, the warning lamp and the warning sound box are immediately put into use, and continuously give out warning to inform the operator that the state is dangerous, and other people enter the avoidance chamber as soon as possible.
In the maintenance state, the controller gives out all locking authorities, and the winch is manually started by clicking, manually judging and manually during maintenance, and only the emergency stop function of the winch is reserved. The overhaul state is only used for overhaul debugging of the winch, and is forbidden for direct operation work.
Claims (9)
1. The utility model provides a signal centralized control system is got ready to supplementary transportation inclined drifts in pit, gets ready device (10) and driver and gets ready device (30) including setting up the last mouthful of getting ready at the inclined drifts upper gate to and set up the end down of getting ready device (20) at the inclined drifts end down, its characterized in that this system still includes following component parts:
the signal conversion board (40) is used for receiving dotting signals from the upper opening dotting device (10), the lower opening dotting device (20) and the driver dotting device (30), converting the received dotting signals and then sending the processed dotting signals to the controller (50);
the input end of the controller (50) is used for receiving the processed dotting signal, and the output end of the controller is electrically connected with each relay group on the relay board (60);
the relay board (60) comprises relay groups which are respectively and electrically connected with the winch explosion-proof switch (71), the winch explosion-proof triple button (72) and the explosion-proof acousto-optic warning device (73), and further comprises a function conversion switch (61) which is used for switching the relay board (60) in an overhauling state and a working state;
the power supply module (70) is used for supplying power to each relay group in the controller (50) and the relay board (60), the function conversion switch (61) and the explosion-proof acousto-optic warning device (73);
the winch (A) is arranged at the driver dotting device (30), and the driver dotting device (30) is far away from the inclined drift upper opening relative to the upper opening dotting device (10).
2. The centralized control system for down-hole auxiliary transportation inclined roadway hitting signals as claimed in claim 1, wherein the input ends of the signal conversion board (40) are respectively provided with the following terminals:
an upper opening dotting signal wiring terminal and an upper opening sudden stop wiring terminal which are connected with the upper opening dotting device (10);
a lower opening dotting signal wiring terminal and a lower opening sudden stop wiring terminal which are connected with the lower opening dotting device (20);
a winch dotting signal wiring terminal and a winch scram wiring terminal which are connected with the driver dotting device (30);
the winch operation signal wiring terminal is connected with a state feedback wire on the relay board (60), and the working state wiring terminal is connected with a function conversion switch (61) on the relay board (60).
3. The underground auxiliary transportation inclined roadway dotting signal centralized control system as claimed in claim 2, wherein: the output end of the controller (50) connected with the relay board (60) is provided with a winch descending connection terminal, a winch ascending connection terminal, a winch stopping connection terminal, an audible and visual alarm connection terminal, a driver signal confirmation prompt connection terminal and a driver dotting locking connection terminal.
4. The system for centralized control of signal of underground auxiliary transportation inclined roadway hitting point as claimed in claim 3, wherein: the controller (50) is Siemens S7-200.
5. The system for centralized control of signal of underground auxiliary transportation inclined roadway hitting point as claimed in claim 4, wherein: a QO.0 output pin of the winch lifting connection terminal, namely Siemens S7-200, is connected with a coil of a relay J1 on a relay board (60), and a normally open contact of the relay J1 is connected with a winch positive rotation connection wire with a winch explosion-proof switch (71) and a winch explosion-proof triple button (72);
the QO.1 output pin of the winch downward-releasing wiring terminal, namely Siemens S7-200, is connected with a coil of a relay J2 on a relay board (60), and a normally open contact of the relay J2 is connected with a winch reverse-rotation wiring with a winch explosion-proof switch (71) and a winch explosion-proof triple button (72);
the winch stopping connection terminal, namely a QO.2 output pin of Siemens S7-200, is connected with a coil of a relay J3 on a relay board (60), and a normally open contact of the relay J3 is connected with a winch stopping connection wire with a winch explosion-proof switch (71) and a winch explosion-proof triple button (72);
the sound-light alarm connecting terminal, namely a QO.3 output pin of Siemens S7-200, is connected with a coil of a relay J4 on a relay board (60), and a normally open contact of the relay J4 is connected with an alternating current contactor ZJ coil for driving an explosion-proof sound-light alarm (73) to act;
the driver signal confirmation prompt terminal, namely a QO.4 output pin of Siemens S7-200, is connected with the light-emitting diode;
the driver dotting locking terminal, namely a QO.5 output pin of Siemens S7-200, is connected with a coil of a relay J5 on a relay board (60), a normally open contact of the relay J5 is connected with a driver dotting device (30), and a driver dotting signal connecting button is connected in series on a circuit connecting the normally open contact of the relay J5 with the driver dotting device (30).
6. The system for centralized control of signal of underground auxiliary transportation inclined roadway hitting point as claimed in claim 5, wherein: the function switch (61) comprises a pair of switch feet 1 and 2 matched with each other and another pair of switch feet 3 and 4 matched with each other, the switch feet 1 and 2 are connected with a coil of a relay J6 on a relay board (60), and two normally open contacts of the relay J6 are connected in parallel in a circuit where the normally open contact of the relay J1 and the normally open contact of the relay J2 are located.
7. The control method of the underground auxiliary transportation inclined roadway dotting signal centralized control system according to claim 1 is characterized by comprising the following steps:
1) when the function switch (61) is in a working state, namely an automatic state, the function switch (61) sends a starting signal of a dotting signal automatic discrimination function to the controller (50); when the input end of the controller (50) receives a dotting signal, an emergency stop signal or a reset signal sent by the upper port dotting device (10), the lower port dotting device (20) or the driver dotting device (30), the signals are immediately screened through an internal program of the controller (50):
when the controller (50) receives an upper opening dotting signal sent by the upper opening dotting device (10) and a lower opening dotting signal sent by the lower opening dotting device (20) in sequence within set time, the controller (50) judges that a winch descending task is received, and at the moment, the controller (50) sends out a prompting lamp signal for confirming that a winch driver can return points on one hand and releases the locking function of the driver dotting device (30) on the other hand; after the winch driver receives the signal of the warning light, the driver dotting device (30) can be operated to send out a driver dotting signal, and the final confirmation of the winch lowering task is completed; after sequentially receiving dotting signals sent by the upper opening dotting device (10), the lower opening dotting device (20) and the driver dotting device (30) within a set time, the controller (50) sends a winch lowering signal to the relay board (60), and the controller (50) simultaneously sends an audible and visual alarm signal to the relay board (60);
when the controller (50) receives a lower opening dotting signal sent by the lower opening dotting device (20) and an upper opening dotting signal sent by the upper opening dotting device (10) in sequence within set time, the controller (50) judges that a winch lifting task is received, and at the moment, the controller (50) sends out a prompting lamp signal which can confirm point return of a winch driver on one hand and releases a locking function of the driver dotting device (30) on the other hand; after the winch driver receives the signal of the warning light, the driver dotting device (30) can be operated to send out a driver dotting signal, and the final confirmation of the winch lifting task is completed; after sequentially receiving dotting signals sent by a lower opening dotting device (20), an upper opening dotting device (10) and a driver dotting device (30) within a set time, a controller (50) sends a winch lifting signal to a relay board (60), and the controller (50) simultaneously sends an audible and visual alarm signal to the relay board (60);
when the winch runs to a destination according to an appointed direction, a dotting device at the destination sends a dotting signal to a controller (50), a winch driver receives the dotting signal and stops the winch according to a stop button of an explosion-proof triple button, then the driver dotting device (30) sends the dotting signal to the controller (50) for parking confirmation, or the driver dotting device (30) directly sends the dotting signal to the controller (50) for parking confirmation, at the moment, the winch runs at the end, and an audible and visual alarm signal is removed;
in the dotting process, if any dotting device does not send out a dotting signal according to a set mode or within set time, or any dotting device sends out an emergency stop signal in the dotting process and the winch starting process, the controller (50) immediately locks the work of the corresponding output relay group, releases the authorization of winch starting, and immediately stops the operation of the winch; when the controller (50) receives the reset signal again, the locking is released, and the winch continues to operate;
2) when the function conversion switch (61) is in a maintenance state, the controller (50) sends an audible and visual alarm signal to the relay board (60), the controller (50) simultaneously releases the locking function of the driver dotting device (30), the winch explosion-proof switch (71) and the winch explosion-proof triple button (72), and a winch driver can send a winch lifting signal or a winch lowering signal according to actual conditions to start the winch to perform maintenance debugging or emergency work.
8. The control method of the underground auxiliary transportation inclined drift dotting signal centralized control system according to claim 7, is characterized by comprising the following steps: when the function switch (61) is in a working state, namely an automatic state, when the controller (50) sends a winch lowering signal or a winch lifting signal to the relay board (60), the controller (50) simultaneously locks a signal of the reverse operation direction of the winch through the relay board (60).
9. The control method of the underground auxiliary transportation inclined drift dotting signal centralized control system according to claim 7, is characterized by comprising the following steps: when the function switch (61) is in a working state, namely an automatic state, the controller (50) sends out a prompt lamp signal which can be confirmed by a winch driver by returning to a point and is a slow flashing light signal; when a winch driver receives a slow flashing indicator light signal, the driver dotting device (30) can be operated to send out a driver dotting signal, and the controller (50) controls the indicator light signal to be converted into a normally-on signal, namely all dotting signals before the winch is sent out are screened to be effective; when the winch is in operation and the controller (50) receives the emergency stop signal, the controller (50) cancels all winch operation signals and controls the prompt lamp signal to be converted into a high-frequency flashing lamp signal.
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| CN201611112768.3A CN106698226B (en) | 2016-12-07 | 2016-12-07 | Centralized control system and control method for down-hole auxiliary transportation inclined roadway dotting signals |
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| CN201611112768.3A CN106698226B (en) | 2016-12-07 | 2016-12-07 | Centralized control system and control method for down-hole auxiliary transportation inclined roadway dotting signals |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111533023B (en) * | 2020-04-27 | 2021-07-06 | 陈元勇 | Electrical locking device of inclined shaft hybrid lifting system |
| CN117902500B (en) * | 2023-12-08 | 2024-06-11 | 荆州紫辰通信科技有限公司 | Comprehensive protection control method and system for winch |
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